Twinnie - A word that has a lot of meaning behind it , your ROD , your diary , one of your closest friends && you will do anything for them ! (said by Trinity && Legend)!!
“Oooouuu twinnieeee yhu loookk gooodaaa”
by Trinity && Legend April 27, 2019
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A person who you identify as a your twin whom isn’t related! Has the same interests, habits and crazy mindset as you. Usually a Twinny is a person who you slag off constantly but is still your best friend.
Josh you are an evil minded Bitch just like me! You’re definitely my Twinny!
by Misslucy January 19, 2019
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two really cool people who think the same and are really awesome
you my brother from another mother, you're my twinny.
by twinnnnnyyyy September 21, 2010
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Two really cool girls who think alike.
When you think of twinny, think Romy and Michele from "Romy and Michele's High School Reunion."
by twinnyyyy January 14, 2008
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